621966080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 1598685984

約数和(自身を除く): 976719904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 101, 128, 136, 160, 170, 202, 256, 272, 283, 320, 340, 404, 505, 544, 566, 640, 680, 808, 1010, 1088, 1132, 1280, 1360, 1415, 1616, 1717, 2020, 2176, 2264, 2720, 2830, 3232, 3434, 4040, 4352, 4528, 4811, 5440, 5660, 6464, 6868, 8080, 8585, 9056, 9622, 10880, 11320, 12928, 13736, 16160, 17170, 18112, 19244, 21760, 22640, 24055, 25856, 27472, 28583, 32320, 34340, 36224, 38488, 45280, 48110, 54944, 57166, 64640, 68680, 72448, 76976, 90560, 96220, 109888, 114332, 129280, 137360, 142915, 153952, 181120, 192440, 219776, 228664, 274720, 285830, 307904, 362240, 384880, 439552, 457328, 485911, 549440, 571660, 615808, 769760, 914656, 971822, 1098880, 1143320, 1231616, 1539520, 1829312, 1943644, 2197760, 2286640, 2429555, 3079040, 3658624, 3887288, 4573280, 4859110, 6158080, 7317248, 7774576, 9146560, 9718220, 15549152, 18293120, 19436440, 31098304, 36586240, 38872880, 62196608, 77745760, 124393216, 155491520, 310983040, 621966080]

約数ペア:

[(1, 621966080), (2, 310983040), (4, 155491520), (5, 124393216), (8, 77745760), (10, 62196608), (16, 38872880), (17, 36586240), (20, 31098304), (32, 19436440), (34, 18293120), (40, 15549152), (64, 9718220), (68, 9146560), (80, 7774576), (85, 7317248), (101, 6158080), (128, 4859110), (136, 4573280), (160, 3887288), (170, 3658624), (202, 3079040), (256, 2429555), (272, 2286640), (283, 2197760), (320, 1943644), (340, 1829312), (404, 1539520), (505, 1231616), (544, 1143320), (566, 1098880), (640, 971822), (680, 914656), (808, 769760), (1010, 615808), (1088, 571660), (1132, 549440), (1280, 485911), (1360, 457328), (1415, 439552), (1616, 384880), (1717, 362240), (2020, 307904), (2176, 285830), (2264, 274720), (2720, 228664), (2830, 219776), (3232, 192440), (3434, 181120), (4040, 153952), (4352, 142915), (4528, 137360), (4811, 129280), (5440, 114332), (5660, 109888), (6464, 96220), (6868, 90560), (8080, 76976), (8585, 72448), (9056, 68680), (9622, 64640), (10880, 57166), (11320, 54944), (12928, 48110), (13736, 45280), (16160, 38488), (17170, 36224), (18112, 34340), (19244, 32320), (21760, 28583), (22640, 27472), (24055, 25856)]